Question

Balance the following reactions-
H2 + Cl2 HCl
Ca +N2 Ca3N2

Answer 1

Explanation:

Synapsids were the largest terrestrial vertebrates in the Permian period, 299 to 251 million years ago, although some of the larger pareiasaurs at the end of Permian could match them in size.

Answer 2

Answer:

H2 + Cl2 ------- 2HCl

3Ca + N2 -------- Ca3N2